DOP200 with auger head

Fitted out with auger unit, the DOP200 is made for precision dredging

Precision dredging for environmental clean-up

Product type
DOP200 with auger unit
Head type
Job type
Environmental clean ups
Matthäi Wasserbau GmbH

The German contractor Matthäi Wasserbau needed a DOP submersible dredge pump for a short term job. For this, they rented a DOP dredge pump from Hydrauvision. The rental included an auger head for the DOPs suction side, and a diesel/hydraulic power pack for the drive.

The DOP200 undertook an environmental cleanup job using its auger head for precision dredging. The job was to dredge a small layer of sediment and to pump it to a basin some 600 m ahead. The DOP, attached to a pontoon-based excavator, worked at a max dredging depth of 7 m, yet the average depth was 2-3 m. The material to be dredged is sediment on the bottom of a lake, this top layer was only 10 to 15 cm on the average.

All equipment was placed on a pontoon in a small lake. This lake contains rain water as well as drainage water. The total surface of the lake was approx. 18.000 m². Greatest challenge of the job was to do the job as efficient as possible – the trick was to reach the largest possible surface from the pontoon yet relocating it as little as possible.


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